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Platinum: It is one of the most precious metals

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What it is made of: Platinum is usually found chemically uncombined, native platinum and alloyed with iridium as platiniridium.

Hardness:4-4.5

Color: Metallic- grey and white

Luster: Metallic

Streak: Grey/White

Density: 14-22

Crystal Structure: Cubic

Special Characteristics: Platinum exceeds the value of gold.

How it forms: It is formed in ingneous rocks, platinum crystals (nuggets) are rarely formed and that is why the value is so high.

Where it is found in the World: South Africa, Russia, United States, Canada, Zimbabwe

Uses for it: Jewelry, gun pats, batteries, ipods, computer hard discs

Is it found in Iowa, & where: It is not found in Iowa.

Sources: http://en.wikipedia.org/wiki/Platinum, www.google.com, http://www.galleries.com/minerals/elements/platinum/platinum.htm

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